1145807636 has 12 divisors (see below), whose sum is σ = 2042997012. Its totient is φ = 562094208.

The previous prime is 1145807623. The next prime is 1145807651. The reversal of 1145807636 is 6367085411.

It can be written as a sum of positive squares in 2 ways, for example, as 683299600 + 462508036 = 26140^2 + 21506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1145807593 and 1145807602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2702165 + ... + 2702588.

It is an arithmetic number, because the mean of its divisors is an integer number (170249751).

Almost surely, 2^1145807636 is an apocalyptic number.

It is an amenable number.

1145807636 is a deficient number, since it is larger than the sum of its proper divisors (897189376).

1145807636 is a wasteful number, since it uses less digits than its factorization.

1145807636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404810 (or 5404808 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1145807636 is about 33849.7804424194. The cubic root of 1145807636 is about 1046.4148736866.

The spelling of 1145807636 in words is "one billion, one hundred forty-five million, eight hundred seven thousand, six hundred thirty-six".